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Lunna [17]
3 years ago
8

(science) hurry help!! All commonly abused drugs are illegal. true or false

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

False

Explanation:

Many abused drugs are prescription drugs.

Radda [10]3 years ago
5 0
False a lot of abused drugs are prescription
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I know this is a very broad question but can someone explain ions, I am so confused.
Vinil7 [7]
There are negative ions and positive ions known as anions and cations.

Atoms of elements (besides the noble gases) are not stable.

These atoms lose or gain electrons to gain the stable electronic configuration of a noble gas which has either 2 electrons or 8 electrons in the valence shell.

Since an atom is neutral, once it loses or gain electrons, it gains charge and is known as an ion
4 0
3 years ago
If 4.00 moles of a gas at a pressure of 5.40 atm have a volume of 129 L, what is the temperature?
Alexus [3.1K]

Answer:

2121 K

Explanation:

With the numbers given in the problem, this is the math.

7 0
3 years ago
Did Pb2+ react with KI? Yes or No? State the reason of your answer.
madam [21]
Yes, Pb2+ react with KI.

Pb2+ is lead (II) ion
KI is a compound. It is a combination of potassium (K) and iodine (I). It is called potassium iodide.

Both potassium and iodine are highly reactive elements. Thus, when they are combined with another element like Pb2+, Pb2+ reacts with KI
4 0
4 years ago
Read 2 more answers
How many moles of NO2 are equivlent to 74.3 grams of NO2N=14.01/ o=16.00?
lesantik [10]

The molecular mass of HNO_2 is: 1·1 + 1·14.01 + 2·16 = 47.01 g/mol.


Now we can convert the mass into mol of HNO_2:


74.3\ g\ HNO_2\cdot \frac{1\ mol}{47\ g} = \bf 1,58\ mol\ HNO_2

8 0
3 years ago
A student measures the frequency of a wave as 2 waves/second, and the wavelength as 40 cm/wave. Use the velocity equation (v = f
Dafna1 [17]
V = 2*40
V= 80 m/s
I am not sure!!!
3 0
4 years ago
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